What is a wave? - A disturbance that carries energy from one place to another., Sound energy - Energy that is transferred from one location to the next by particles that are compressed together., Transverse wave - the wave moves up and down in a steady pattern to its location., Longitudinal wave - Wave moves back and forth. , Wavelength - the distance between one point on a wave and the exact same place on the next, Frequency - How many waves go past a point within a second, Amplitude - THe height of a wave from the center to the top or bottom, Wave speed - Wavelength*Frequency , Reflection - the bouncing off surfaces of sound, Diffraction - the change in the path waves take when they pass through the opening or around a barrier, Echos - when sound travels back to the ear in more than 0.1 seconds, resulting in the repetition of the noise, Reverberations - When sounds return to the ear faster than 0.1 second, resulting in the sound appearing longer, Refraction - The change in direction of waves as they pass from one medium to another, Doppler effect - When sounds appear to be changing volume. Caused by the sound source moving closer or further from the observer.,

Sound waves Revision

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